CN204024791U - There is the loader independent heat dissipation control system of reverse function - Google Patents
There is the loader independent heat dissipation control system of reverse function Download PDFInfo
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- CN204024791U CN204024791U CN201420464631.4U CN201420464631U CN204024791U CN 204024791 U CN204024791 U CN 204024791U CN 201420464631 U CN201420464631 U CN 201420464631U CN 204024791 U CN204024791 U CN 204024791U
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- cooling fan
- motor
- fan
- temperature sensor
- cooling
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 12
- 238000001816 cooling Methods 0.000 claims abstract description 102
- 238000006073 displacement reaction Methods 0.000 claims abstract description 20
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 15
- 239000003921 oil Substances 0.000 claims description 11
- 239000002826 coolant Substances 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 claims description 3
- 239000000428 dust Substances 0.000 abstract description 6
- 239000007788 liquid Substances 0.000 abstract 1
- 230000005855 radiation Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 101100500563 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) ECM5 gene Proteins 0.000 description 3
- 101100019493 Schizosaccharomyces pombe (strain 972 / ATCC 24843) jmj3 gene Proteins 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- KQTVWCSONPJJPE-UHFFFAOYSA-N etridiazole Chemical compound CCOC1=NC(C(Cl)(Cl)Cl)=NS1 KQTVWCSONPJJPE-UHFFFAOYSA-N 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- -1 sandstone Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Component Parts Of Construction Machinery (AREA)
- Operation Control Of Excavators (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The utility model discloses a kind of loader independent heat dissipation control system with reverse function, comprise cooling fan to reverse manual/auto switch (1), independent radiating control device (2), machine monitor, gearbox ECU, motor ECM, electric-control motor, cooling fan variable displacement pump, swash plate angle electric proportional control valve (8), hydraulic oil temperature sensor (12), cooling fan reversion solenoid valve (13) and motor for cooling fan (14), the temperature signal that independent radiating control device receiving liquid force feed temperature sensor collects, the signal code exporting swash plate angle electric proportional control valve realizes the control of rotation speed of the fan, when fan need reverse dedusting, the cooling fan manual/auto switch that reverses exports a switching signal, independent radiating control device controlled cooling model fan reversion solenoid valve output signal electric current, realize cooling fan reversion, can remove the dust on radiating fin and obstruction thereof, guarantee system can normally work.
Description
Technical field
The utility model relates to a kind of cooling control system, and specifically a kind of loader independent heat dissipation control system with reverse function, belongs to cooling control system technical field.
Background technique
Loader is as one of the main machine of restoration in earth-rock construction in engineering construction, be mainly used in shoveling the dress bulk material such as soil, sandstone, lime, coal and ore, the slight shovel of pan soil digs, be widely used in the construction projects such as highway, railway, building, water power, harbour and mine.Because the operating mode of loader is severe, and often even overload operation at full capacity, so the application for the independent heat radiation cooling system it being carried out to cooling heat dissipation is more and more extensive.
At present, the independent radiation system of loader adopts the radiator of air drafting type mostly, very easily causes the blocking of radiating fin, affect its radiating effect in loader working procedure; After blocking, radiation system need be stopped, then utilizing foreign object to clear up dust and obstruction thereof, for clearance clean after system is started be used for heat radiation, complicated operation again, efficiency is low; In addition, in the out-of-work process of radiation system, loader still works on, and Yi Fashengyin loader is overheated and the situation causing it to damage.
Summary of the invention
For above-mentioned prior art Problems existing, the utility model provides a kind of loader independent heat dissipation control system with reverse function, has cooling fan reverse function, the dust on easy-clear radiating fin and obstruction thereof.
To achieve these goals, originally there is the loader independent heat dissipation control system of reverse function, comprise independent radiating control device, machine monitor, gearbox ECU, motor ECM, electric-control motor, cooling fan variable displacement pump and motor for cooling fan, connected by CAN between independent radiating control device, machine monitor, gearbox ECU, motor ECM, electric-control motor is connected with driving the cooling fan variable displacement pump of motor for cooling fan work, also comprise cooling fan to reverse manual/auto switch, hydraulic oil temperature sensor, for the swash plate angle electric proportional control valve of controlled cooling model fan variable displacement pump flow and the cooling fan reversion solenoid valve that turns to for controlled cooling model fan motor, described motor for cooling fan is the reversing motor with selector valve, described independent radiating control device receives cooling fan and to reverse the switching signal of manual/auto switch and hydraulic oil temperature sensor and hydraulic oil temperature signal, and to swash plate angle electric proportional control valve, cooling fan reversion solenoid valve exports the signal code of controlled cooling model fan variable displacement pump flow and controlled cooling model fan reversion electromagnetic valve work.
Further, also comprise engine coolant temperature sensor, engine air temperature sensor and gear box oil temperature sensor, described motor ECM receives the temperature signal of engine coolant temperature sensor and engine air temperature sensor, and sends temperature signal to independent radiating control device by CAN; Described gearbox ECU receives the temperature signal of gear box oil temperature sensor, and sends temperature signal to independent radiating control device by CAN; When cooling fan counterrotating, if superheating phenomenon appears in engine cooling water temperature signal, motor air temperature signal, TOT Transmission Oil Temperature signal or hydraulic oil temperature signal, independent radiating control device sends to swash plate angle electric proportional control valve and cooling fan reversion solenoid valve forces fan stop counterrotating and be switched to the signal rotated forward.
Further, described swash plate angle electric proportional control valve adopts inverse proportion control mode, and namely when current signal reduces, cooling fan variable pump delivery increases, and the flow of motor for cooling fan increases, and cooling fan rotation speed improves.
Further, also comprise the radiator for dispelling the heat to motor for cooling fan, radiator is arranged on just to cooling fan place.
Compared with prior art, the utility model adopts with the reversing motor of selector valve as motor for cooling fan, and it has commutation function, can realize the function of fan reversion dedusting; By the cooperation between independent radiating control device, swash plate angle electric proportional control valve and cooling fan reversion solenoid valve, the manual, auto-reverse of independent radiation system cooling fan is realized by the manual/auto switch of operation cooling fan, specifically: when fan rotates forward, if press manual reversal switch, then can make fan counterrotating, after dust on complete cooling fan for clearance and obstruction thereof, then by switch by making fan return to rotate forward to middle gear; When fan rotates forward, if press auto-reverse switch, cooling fan will rotate some minutes by each cycle automatic reverse; Thus the removing achieved dust on radiating fin and obstruction thereof, ensure that it can normally work, clear up again after first being stopped again, simple to operate.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1, cooling fan reverses manual/auto switch, 2, independent radiating control device, 3, machine monitor, 4, gearbox ECU, 5, motor ECM, 6, electric-control motor, 7, cooling fan variable displacement pump, 8, swash plate angle electric proportional control valve, 9, engine coolant temperature sensor, 10, engine air temperature sensor, 11, gear box oil temperature sensor, 12, hydraulic oil temperature sensor, 13, cooling fan reversion solenoid valve, 14, motor for cooling fan, 15, radiator.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, a kind of loader independent heat dissipation control system with reverse function of the utility model, comprise independent radiating control device 2, machine monitor 3, gearbox ECU4, motor ECM5, electric-control motor 6, cooling fan variable displacement pump 7, motor for cooling fan 14, cooling fan reverses manual/auto switch 1, hydraulic oil temperature sensor 12, for the swash plate angle electric proportional control valve 8 of controlled cooling model fan variable displacement pump 7 flow and the cooling fan reversion solenoid valve 13 that turns to for controlled cooling model fan motor 14, independent radiating control device 2, machine monitor 3, gearbox ECU4, connected by CAN between motor ECM5, electric-control motor 6 is connected with the cooling fan variable displacement pump 7 driving motor for cooling fan 14 to work, described independent radiating control device 2 receives cooling fan and to reverse the switching signal of manual/auto switch 1 and hydraulic oil temperature sensor 12 and hydraulic oil temperature signal, and exports to swash plate angle electric proportional control valve 8, cooling fan reversion solenoid valve 13 signal code that controlled cooling model fan variable displacement pump 7 flow and controlled cooling model fan reversion solenoid valve 13 work, wherein, independent radiating control device 2 is by collecting the temperature information of hydraulic oil temperature sensor 12, send signal code on the swash plate angle electric proportional control valve 8 on cooling fan variable displacement pump 7, swash plate angle angle is controlled by this valve, thus the flow of controlled cooling model fan variable displacement pump 7, reach the object of the rotating speed of controlled cooling model fan, described motor for cooling fan 14 is the reversing motor with selector valve, has commutation function, can realize the function of fan reversion dedusting, when cooling fan needs reversion dedusting, the cooling fan manual/auto switch 1 that reverses exports a switching signal, when the temperature information obtained by CAN signal is all eligible, oil temperature information and temperature information is not had to report to the police at machine monitor 3, engine speed in the idling state simultaneously, independent radiating control device 2 controlled cooling model fan reversion solenoid valve 13 outputs signal electric current, realizes cooling fan reversion.
During use, owing to adopting with the reversing motor of selector valve as motor for cooling fan, it has commutation function, can realize the function of fan reversion dedusting, relend and help independent radiating control device, the cooperation that swash plate angle electric proportional control valve and cooling fan reverse between solenoid valve, the manual of independent radiation system cooling fan is realized by the manual/auto switch of operation cooling fan 1, auto-reverse, specifically: when cooling fan rotates forward, if press manual reversal switch, tutorial light that machine monitor 3 reverses glimmers, this switch can automatically revert to meta immediately, now machine monitor 3 does not have temperature information to report to the police, and engine speed is idling mode, then can make cooling fan counterrotating, tutorial light that machine monitor 3 reverses has flicker to transfer Chang Liang to, after set time to be reversed, fan returns to and rotates forward, reversion tutorial light goes out, when fan rotates forward, if press auto-reverse switch, cooling fan will rotate some minutes by each cycle automatic reverse, thus the removing achieved dust on radiating fin and obstruction thereof.Meanwhile, the temperature information collected by independent radiating control device 2, is sent to swash plate angle electric proportional control valve 8, controls swash plate angle and adjusts rotation speed of the fan, make the grade that itself and given temperature grade are corresponding with engine speed synchronous by output current signal.Adopt swash plate angle electric proportional control valve 8 to control to drive cooling fan variable displacement pump 7, swash plate angle adopts inverse proportion control mode, and when current signal reduces, the discharge capacity of cooling fan variable displacement pump 7 increases, and the flow of motor for cooling fan 14 increases, and cooling fan rotation speed improves; When the output of Controlling solenoid valve is zero, cooling fan variable displacement pump 7 is in maximum pump discharge state, and the radiation system power stage that can effectively solve owing to causing when control system lost efficacy cannot meet the problem of radiating requirements.
As improved procedure of the present utility model, also comprise engine coolant temperature sensor 9, engine air temperature sensor 10 and gear box oil temperature sensor 11, described motor ECM5 receives the temperature signal of engine coolant temperature sensor 9 and engine air temperature sensor 10, and sends temperature signal to independent radiating control device 2 by CAN; Described gearbox ECU4 receives the temperature signal of gear box oil temperature sensor 11, and sends temperature signal to independent radiating control device 2 by CAN; When cooling fan counterrotating, and when there is superheating phenomenon in engine cooling water temperature signal, motor air temperature signal, TOT Transmission Oil Temperature signal or hydraulic oil temperature signal, independent radiating control device 2 sends to swash plate angle electric proportional control valve 8 and first reduces rotation speed of the fan, reversion is stopped to carry out the signal rotated forward, and then readjust the rotation speed of the fan into corresponding temperature grade according to temperature information, thus the process of the first reduction of speed realizing cooling fan raising speed again; Send to cooling fan reversion solenoid valve 13 forces fan stop counterrotating and be switched to the signal rotated forward simultaneously, and guarantee system can normally work, avoid occurring because of cooling fan reverse for a long time, loader is overheated and the situation that causes it to damage.
As improved procedure of the present utility model, also comprise the radiator 15 for dispelling the heat to motor for cooling fan 14, radiator 15 is arranged on just to motor for cooling fan 14 place, radiator 15 pairs of motor for cooling fans 14 can be utilized to dispel the heat, guarantee that motor for cooling fan 14 can work long hours, and then improve the working efficiency of whole system.
Claims (4)
1. one kind has the loader independent heat dissipation control system of reverse function, comprise independent radiating control device (2), machine monitor (3), gearbox ECU (4), motor ECM (5), electric-control motor (6), cooling fan variable displacement pump (7) and motor for cooling fan (14), independent radiating control device (2), machine monitor (3), gearbox ECU (4), motor ECM are connected by CAN between (5); Electric-control motor (6) is connected with the cooling fan variable displacement pump (7) driving motor for cooling fan (14) to work;
It is characterized in that, also comprise cooling fan to reverse manual/auto switch (1), hydraulic oil temperature sensor (12), for swash plate angle electric proportional control valve (8) of controlled cooling model fan variable displacement pump (7) flow and cooling fan reversion solenoid valve (13) that turns to for controlled cooling model fan motor (14), described motor for cooling fan (14) is the reversing motor with selector valve, described independent radiating control device (2) receives cooling fan and to reverse the switching signal of manual/auto switch (1) and hydraulic oil temperature sensor (12) and hydraulic oil temperature signal, and to swash plate angle electric proportional control valve (8), the signal code that cooling fan reversion solenoid valve (13) output controlled cooling model fan variable displacement pump (7) flow and controlled cooling model fan reversion solenoid valve (13) work.
2. a kind of loader independent heat dissipation control system with reverse function according to claim 1, it is characterized in that, also comprise engine coolant temperature sensor (9), engine air temperature sensor (10) and gear box oil temperature sensor (11), described motor ECM (5) receives the temperature signal of engine coolant temperature sensor (9) and engine air temperature sensor (10), and sends temperature signal to independent radiating control device (2) by CAN; Described gearbox ECU (4) receives the temperature signal of gear box oil temperature sensor (11), and sends temperature signal to independent radiating control device (2) by CAN; When cooling fan counterrotating, if superheating phenomenon appears in engine cooling water temperature signal, motor air temperature signal, TOT Transmission Oil Temperature signal or hydraulic oil temperature signal, independent radiating control device (2) sends to swash plate angle electric proportional control valve (10) and cooling fan reversion solenoid valve (9) forces fan stop counterrotating and be switched to the signal rotated forward.
3. a kind of loader independent heat dissipation control system with reverse function according to claim 1 and 2, it is characterized in that, described swash plate angle electric proportional control valve (8) adopts inverse proportion control mode, namely when current signal reduces, the discharge capacity of cooling fan variable displacement pump (7) increases, the flow of motor for cooling fan (14) increases, and cooling fan rotation speed improves.
4. a kind of loader independent heat dissipation control system with reverse function according to claim 1 and 2, it is characterized in that, also comprise the radiator (15) for dispelling the heat to motor for cooling fan (14), radiator (15) is arranged on just to motor for cooling fan (14) place.
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CN201420464631.4U CN204024791U (en) | 2014-08-15 | 2014-08-15 | There is the loader independent heat dissipation control system of reverse function |
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CN201420464631.4U CN204024791U (en) | 2014-08-15 | 2014-08-15 | There is the loader independent heat dissipation control system of reverse function |
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106150662A (en) * | 2016-06-22 | 2016-11-23 | 中联重机股份有限公司 | ECT control method, controller and control system |
CN107961921A (en) * | 2017-11-21 | 2018-04-27 | 山推工程机械股份有限公司 | A kind of bull-dozer cooling Self-cleaning system and its control method |
CN110762044A (en) * | 2019-11-04 | 2020-02-07 | 北京丰凯换热器有限责任公司 | Method for estimating target rotating speed of fan of independent heat dissipation system |
CN110764553A (en) * | 2019-11-04 | 2020-02-07 | 北京丰凯换热器有限责任公司 | Independent cooling system control method |
CN110761887A (en) * | 2019-11-04 | 2020-02-07 | 北京丰凯换热器有限责任公司 | Independent cooling system control system |
CN112282916A (en) * | 2020-10-28 | 2021-01-29 | 广西玉柴机器股份有限公司 | Control method of reversing fan of diesel engine |
CN113236412A (en) * | 2021-06-23 | 2021-08-10 | 徐州徐工挖掘机械有限公司 | Dust removal control method, controller and system |
CN113404582A (en) * | 2020-03-17 | 2021-09-17 | 常州市温帆温控科技有限公司 | Diesel engine electric control fan controller and control method thereof |
CN114352563A (en) * | 2021-12-31 | 2022-04-15 | 徐州徐工挖掘机械有限公司 | System and method for controlling positive and negative rotation of electronic fan of engineering machinery |
CN115355287A (en) * | 2022-06-30 | 2022-11-18 | 九方泰禾国际重工(青岛)股份有限公司 | Positive and negative rotation transmission device of cooling fan |
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2014
- 2014-08-15 CN CN201420464631.4U patent/CN204024791U/en not_active Expired - Fee Related
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106150662A (en) * | 2016-06-22 | 2016-11-23 | 中联重机股份有限公司 | ECT control method, controller and control system |
CN107961921A (en) * | 2017-11-21 | 2018-04-27 | 山推工程机械股份有限公司 | A kind of bull-dozer cooling Self-cleaning system and its control method |
CN110762044A (en) * | 2019-11-04 | 2020-02-07 | 北京丰凯换热器有限责任公司 | Method for estimating target rotating speed of fan of independent heat dissipation system |
CN110764553A (en) * | 2019-11-04 | 2020-02-07 | 北京丰凯换热器有限责任公司 | Independent cooling system control method |
CN110761887A (en) * | 2019-11-04 | 2020-02-07 | 北京丰凯换热器有限责任公司 | Independent cooling system control system |
CN113404582A (en) * | 2020-03-17 | 2021-09-17 | 常州市温帆温控科技有限公司 | Diesel engine electric control fan controller and control method thereof |
CN112282916A (en) * | 2020-10-28 | 2021-01-29 | 广西玉柴机器股份有限公司 | Control method of reversing fan of diesel engine |
CN113236412A (en) * | 2021-06-23 | 2021-08-10 | 徐州徐工挖掘机械有限公司 | Dust removal control method, controller and system |
CN114352563A (en) * | 2021-12-31 | 2022-04-15 | 徐州徐工挖掘机械有限公司 | System and method for controlling positive and negative rotation of electronic fan of engineering machinery |
CN115355287A (en) * | 2022-06-30 | 2022-11-18 | 九方泰禾国际重工(青岛)股份有限公司 | Positive and negative rotation transmission device of cooling fan |
CN115355287B (en) * | 2022-06-30 | 2023-10-27 | 九方泰禾国际重工(青岛)股份有限公司 | Forward and reverse rotation transmission device of cooling fan |
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Granted publication date: 20141217 |